Here is the full list of all 44 Utawarerumono: Mask of Deception achievements.
Unlocked all BGM.
Unlocked all event visuals.
Witnessed the ending of the game.
"Vurai" completed.
Used a Final Strike.
"He Who Conquers" completed.
"The Rescue" completed.
"Shadows" completed.
"Mononofu" completed.
"Conflict" completed.
"Remnants and Remembrance" completed.
"The Prisoners" completed.
"Nakwan" completed.
Broke through enemy's ZOC.
Spent a bonus point.
"Vice and Virtue" completed.
Destroyed Moznu's axe.
"Forbidden Games" completed.
Successfully engaged in Critical 100 times.
Successfully executed a reactive Skill.
"Elopement" completed.
"The First Mission" completed.
Used Action Chain on yourself.
"Bandits and Brigands" completed.
Stopped an enemy movement with ZOC.
"A Familiar Threat" completed.
"Extermination" completed.
Successfully executed an Action Chain.
"Test of Will" completed.
Took advantage of enemy's weak attribute.
Successfully executed a critical.
Accessed the Glossary.
Equipped an item.
Watched the opening movie.
All trophies achieved.
Defeated the Boro-Gigiri.
Defeated the Tatari Unkami.
Played Recollections.
Challenged Dream Match for the first time.
Used Action Chain with all characters.
Used Final Strike with all characters.
Reached the max level for a unit.
On one map, defeated 10 enemies with 1 unit.
Defeated more than 300 enemy units.